Your requirements could not be resolved to an installable set of packages. Problem 1 - Root composer.json requires rector/rector ^1.0 -> satisfiable by rector/rector[1.0.0, ..., 1.2.10]. - rector/rector 1.0.0 requires phpstan/phpstan ^1.10.56 -> found phpstan/phpstan[1.10.56, ..., 1.12.15] but it conflicts with your root composer.json require (2.1.1). - rector/rector[1.0.1, ..., 1.0.5] require phpstan/phpstan ^1.10.57 -> found phpstan/phpstan[1.10.57, ..., 1.12.15] but it conflicts with your root composer.json require (2.1.1). - rector/rector[1.2.6, ..., 1.2.10] require phpstan/phpstan ^1.12.5 -> found phpstan/phpstan[1.12.5, ..., 1.12.15] but it conflicts with your root composer.json require (2.1.1). - rector/rector[1.1.0, ..., 1.2.2] require phpstan/phpstan ^1.11 -> found phpstan/phpstan[1.11.0, ..., 1.12.15] but it conflicts with your root composer.json require (2.1.1). - rector/rector 1.2.3 requires phpstan/phpstan ^1.11.9 -> found phpstan/phpstan[1.11.9, ..., 1.12.15] but it conflicts with your root composer.json require (2.1.1). - rector/rector 1.2.4 requires phpstan/phpstan ^1.11.11 -> found phpstan/phpstan[1.11.11, ..., 1.12.15] but it conflicts with your root composer.json require (2.1.1). - rector/rector 1.2.5 requires phpstan/phpstan ^1.12.2 -> found phpstan/phpstan[1.12.2, ..., 1.12.15] but it conflicts with your root composer.json require (2.1.1).